Three strikes and you're out is a pretty good rule. And the politicians and negotiators attending the Paris climate summit, 'COP21', in December 2015 were facing their third strike. Their first and second attempts to bind the world into a meaningful pact that would control greenhouse-gas emissions—in Kyoto in 1997 and in Copenhagen in 2009—had failed. If on their third time at bat they could do no better, the world was cooked. There was thus immense pressure on all at the conference to achieve a robust outcome.

https://www.economist.com/interactive/interactive/briefing/2022/11/05/the-world-is-going-to-miss-the-totemic-1-5c-climate-target

#economist